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13 Sep 2019, 15:42
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In a Chemistry lab, there are three solutions of an acid – A, B and C – of concentrations 45%, 50% and c% respectively. If 100 ml of A when mixed with V ml of C, produces a solution of 60% concentration and 100 ml of B when mixed with V ml of C, produces a solution of 62% concentration, find V.
a) 100
b) 120
c) 80
d) 150
a) 100
b) 120
c) 80
d) 150
17 Sep 2019, 01:58
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cfc198
In a Chemistry lab, there are three solutions of an acid – A, B and C – of concentrations 45%, 50% and c% respectively. If 100 ml of A when mixed with V ml of C, produces a solution of 60% concentration and 100 ml of B when mixed with V ml of C, produces a solution of 62% concentration, find V.
a) 100
b) 120
c) 80
d) 150
a) 100
b) 120
c) 80
d) 150
Can anyone give solution of this question?
23 Sep 2019, 13:07
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Akshay141
cfc198
In a Chemistry lab, there are three solutions of an acid – A, B and C – of concentrations 45%, 50% and c% respectively. If 100 ml of A when mixed with V ml of C, produces a solution of 60% concentration and 100 ml of B when mixed with V ml of C, produces a solution of 62% concentration, find V.
a) 100
b) 120
c) 80
d) 150
a) 100
b) 120
c) 80
d) 150
Can anyone give solution of this question?
.45x100+ c%V = .60(100+V) --(1st eqn)
.50x100 + c%v = .62(100+V) -- (2nd eqn)
Solving these two equations V comes out to be 150
